Damage. Hole. Perished gasket. Incorrectly fitted. Corrosion.
Remove the muffler
The machine will be much louder and make it uncomfortable to be around. Lack of a muffler can cause you to be over the noise levels for various laws and ordinances. In many places removing the muffler from a car can lead to a ticket.
Something to check would be if there is rust in the break-drums that would need to be cleaned. Another possibility would be the strap around the muffler. Check to make sure it isn't broken. If it is, the muffler may be hitting part of the frame, hence the noise. Other than that, I have no idea.
If it is too loud, it means the muffler needs replacing. The muffler reduces the sound of the combustion that forces the piston down in the cylinder.
That's where the exhaust pipe and the muffler is, maybe yours is damaged.
as far as the humming noise and the grinding noise it sounds like your power steering pump is either out of fluid or gone bad completely. as for the muffler? ?MAYBE? the strain from the bad power steering pump is overworking the engine causing it to make noise? answer definetly a bad steering pump as for muffler, the sound can be transfred and magnified on a car, replace steering pump before bothering about the muffler sound may be gone
A buildup of raw fuel in the exhaust system is then ignited and damages the exhaust muffler or blows a pipe apart.
The muffler is an important element of a vehicle's exhaust system. The purpose of a muffler is to reduce the noise and emissions that occur when your vehicle emits gases during operation. Similar to other parts of an automobile, a muffler can go bad and need to be repaired or replaced. An ineffective muffler gives warning signs to let you know when it is time to replace it. Knowing the symptoms of a bad muffler can help you diagnose the problem and eliminate other potential issues. Prolonging muffler repairs can lead to expensive maintenance cost in the future.Noise From Your MufflerAn engine produces a great deal of noise when it is in operation. A primary sign that your muffler needs repairing is a loud noise that comes from your vehicle when you start and drive it. Generally, your car will make a low rumbling noise that can escalate to a severe knocking noise if not treated. At times, a muffler may make a hissing or rattling sound at the onset of a problem. If you notice a continual noise when your start and drive your car, you should take your vehicle to an automotive mechanic shop to have your muffler inspected. In some cases, a muffler may need a simple repair and not a total replacement.Inspect the MufflerAnother way to detect a muffler issue is to physically inspect the muffler. The muffler is located underneath a vehicle near the rear. A muffler covered with rust or soot may be an indication that it needs to be repaired. You should also look for any holes in the muffler. A hole in a muffler needs to be repaired quickly because vehicles emit dangerous gases when in operation. A vehicle may also experience performance issues when the muffler is bad. A rough idle or excessive smoke from the tailpipe can be a sign that the muffler needs to be repaired. Driving with a bad muffler can make for an uncomfortable experience, so getting it repaired quickly will not only save you money, but reduce aggravation as well.
Your Axle
A muffler is a device used in the exhaust system of a vehicle to reduce noise produced by the engine. In a sentence, you could say, "The mechanic replaced the old muffler with a new one to make the car quieter."
yes but why would you leave it loose?
Bearings going bad.